The empty input occurs when the user presses the enter key without typing a value for an input operation.
Cc stands for " carbon copy " and Bcc stands for " Blind carbon copy ". The difference between Cc and Bcc is that carbon copy (CC) recipients are visible to all other recipients whereas those who are BCCed are not visible to anyone.
C. The user can select a cell in that field and click “collapse entire field” in the options tab. Is probably not right!
Ummmm the solution is ummm brb